The Official Blog of ESL Power Systems, Inc.

specifications

To ensure the safest and most reliable transfer switch equipment is purchased, the UL 1008 requirement should be included into project specifications. Whoever is responsible for the transfer switch selection process should be aware of criteria that helps classify each UL Listing. Why UL Listing Matters? In order to minimize the chances of backup power…

Many engineers may know that during the planning and design stages of a project, an electrical disconnect will be needed. However, do you really know what you’re specifying, and what the differences are between your disconnect options? A question not so rarely asked by many engineers is, “What is a Company Switch?” Here’s your short,…

Whether you are an engineer, end-user, manufacturer, contractor, or distributor, the process of composing or evaluating bid documents can be quite complex and time-consuming. Keep in mind that the end goal is to deliver a high quality product at a fair price that meets or exceeds customer expectations. However, without clear guidelines, many items might…